package com.baizhi.service;

import com.baizhi.entity.Banner;
import com.baizhi.entity.R;

import java.util.List;
import java.util.Map;

public interface BannerService {
    public Map selectPage(Integer pageNum, Integer pageSize);
    public void insert(Banner banner);
    public void deleteById(Integer id);
    public R selectBanner(Integer size);
}
